:root {
    --color-button-bg: #C2410C;
    --color-button-text: #FFFFFF;
    --color-button-bg-hover: #9A3412;
    --color-button-text-hover: #FFFFFF;
    --color-bg-primary: #FAF7F2;
    --color-bg-primary-rgb: 250, 247, 242;
    --color-bg-secondary: #F1ECE4;
    --color-bg-secondary-rgb: 241, 236, 228;
    --color-text-primary: #1C1917;
    --color-text-primary-rgb: 28, 25, 23;
    --color-text-secondary: #57534E;
    --color-accent: #C2410C;
    --color-accent-rgb: 194, 65, 12;
    --color-border: rgba(28, 25, 23, 0.1);
    --color-border-heavy: rgba(28, 25, 23, 0.3);
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    --fs-h1: clamp(2.5rem, 7vw, 5rem);
    --fs-h2: clamp(2.2rem, 6vw, 4rem);
    --fs-h3: 1.25rem;
    --fs-body: 1.05rem;
    --fs-label: 0.875rem;
    --fs-chip: 0.7rem;
    --transition-speed: 0.25s;
    --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --spacing-unit: 1rem;
    --shadow-sharp: 6px 6px 0px rgba(28, 25, 23, 0.12);
    --shadow-diffuse: 0 18px 40px -12px rgba(28, 25, 23, 0.18);
    --shadow-inset: inset 0 0 0 1px var(--color-border);
}


[data-theme="dark"],
[data-bs-theme="dark"] {
    --color-bg-primary: #121417;
    --color-bg-primary-rgb: 18, 20, 23;
    --color-bg-secondary: #1a1d23;
    --color-bg-secondary-rgb: 26, 29, 35;
    --color-text-primary: #e2e8f0;
    --color-text-primary-rgb: 226, 232, 240;
    --color-text-secondary: #b3bfcc;
    --color-accent: #7dd3fc;
    --color-accent-rgb: 125, 211, 252;
    --color-button-bg: #e2e8f0;
    --color-button-text: #121417;
    --color-button-bg-hover: #f8fafc;
    --color-button-text-hover: #121417;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-heavy: rgba(255, 255, 255, 0.25);
    --shadow-sharp: 4px 4px 0px rgba(255, 255, 255, 0.05);
    --shadow-diffuse: 0 10px 30px rgba(0, 0, 0, 0.5);
}

[data-theme="midnight"],
[data-bs-theme="midnight"] {
    --color-bg-primary: #0b1020;
    --color-bg-primary-rgb: 11, 16, 32;
    --color-bg-secondary: #141b30;
    --color-bg-secondary-rgb: 20, 27, 48;
    --color-text-primary: #dbe4ff;
    --color-text-primary-rgb: 219, 228, 255;
    --color-text-secondary: #9aa8c7;
    --color-accent: #8b9dff;
    --color-accent-rgb: 139, 157, 255;
    --color-button-bg: #dbe4ff;
    --color-button-text: #0b1020;
    --color-button-bg-hover: #f0f4ff;
    --color-button-text-hover: #0b1020;
    --color-border: rgba(139, 157, 255, 0.18);
    --color-border-heavy: rgba(139, 157, 255, 0.4);
    --shadow-sharp: 4px 4px 0px rgba(139, 157, 255, 0.08);
    --shadow-diffuse: 0 10px 30px rgba(0, 0, 0, 0.6);
}

/* Base Reset & Global Rules */
*, *::before, *::after {
    box-sizing: border-box;
    border-radius: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-family: var(--font-heading);
    font-size: 1.05rem;
    line-height: 1.6;
    margin: 0;
    overflow-x: hidden;
    overscroll-behavior: contain;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-speed) var(--transition-ease),
                color var(--transition-speed) var(--transition-ease);
}

p {
    max-width: 65ch;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    padding: 8px 16px;
    z-index: 1001;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

/* Scroll Progress Bar */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--color-accent);
    z-index: 1001;
    width: 0%;
    transition: width 0.1s linear;
}

/* Typography */
h1 {
    font-size: var(--fs-h1);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
    text-transform: uppercase;
    text-wrap: balance;
}

h2 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: var(--fs-h2);
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
    text-transform: uppercase;
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1rem;
    text-wrap: balance;
}

h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    text-wrap: pretty;
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: var(--fs-label);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    display: block;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(var(--color-bg-primary-rgb), 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: 1.25rem 0;
    transition: padding var(--transition-speed) var(--transition-ease),
                background var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
}

.navbar-scrolled {
    padding: 0.75rem 0;
    background: rgba(var(--color-bg-primary-rgb), 0.95);
    box-shadow: var(--shadow-sharp);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--color-text-primary) !important;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.logo-mark {
    width: 32px;
    height: 32px;
    background: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg-primary);
    font-size: 1rem;
    font-weight: 900;
}

.nav-link {
    position: relative;
    font-family: var(--font-mono);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--color-text-primary) !important;
    padding: 0.5rem 1rem !important;
    transition: opacity var(--transition-speed) var(--transition-ease);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    transform-origin: left;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

/* Buttons */
.cta-button,
.btn-view {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem;
    background: var(--color-button-bg);
    color: var(--color-button-text) !important;
    border: 1px solid var(--color-button-bg);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: transform var(--transition-speed) var(--transition-ease),
                background-color var(--transition-speed) var(--transition-ease),
                color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease),
                border-color var(--transition-speed) var(--transition-ease);
    cursor: pointer;
    outline: none;
}

.btn-view {
    padding: 1.15rem;
    aspect-ratio: 1;
    background: radial-gradient(circle at 50% 30%, rgba(var(--color-accent-rgb), 0.28), rgba(var(--color-accent-rgb), 0.1));
    color: var(--color-accent) !important;
    border-color: rgba(var(--color-accent-rgb), 0.6);
    border-radius: 999px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: inset 0 0 0 1px rgba(var(--color-accent-rgb), 0.18),
                0 0 0 6px rgba(var(--color-accent-rgb), 0.06),
                0 6px 26px rgba(var(--color-accent-rgb), 0.32);
    animation: arrow-pulse 2.4s ease-in-out infinite;
}

.btn-view::after {
    content: none;
}

.btn-view .btn-arrow {
    transition: transform 0.2s ease;
    filter: drop-shadow(0 0 6px rgba(var(--color-accent-rgb), 0.55));
}

.btn-view:hover .btn-arrow {
    animation: arrow-nudge 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes arrow-nudge {
    0%   { transform: translateY(0); }
    50%  { transform: translateY(8px); }
    100% { transform: translateY(0); }
}

@keyframes arrow-pulse {
    0%, 100% { transform: translateY(0); box-shadow: inset 0 0 0 1px rgba(var(--color-accent-rgb), 0.18), 0 0 0 6px rgba(var(--color-accent-rgb), 0.06), 0 6px 26px rgba(var(--color-accent-rgb), 0.32); }
    50%      { transform: translateY(4px); box-shadow: inset 0 0 0 1px rgba(var(--color-accent-rgb), 0.28), 0 0 0 10px rgba(var(--color-accent-rgb), 0.1), 0 10px 34px rgba(var(--color-accent-rgb), 0.45); }
}

.cta-button:hover,
.btn-view:hover {
    background: var(--color-accent);
    color: var(--color-bg-primary) !important;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 1px rgba(var(--color-accent-rgb), 0.6),
                0 6px 22px rgba(var(--color-accent-rgb), 0.45);
    transform: translate(-4px, -4px);
    animation: none;
}

.cta-button:active,
.btn-view:active {
    transform: translate(0, 0);
}

.cta-button:focus-visible,
.btn-view:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

/* Outline Button Hover States */
.btn-outline-primary {
    position: relative;
    transition: transform var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
}

/* Scope underline so #theme-toggle doesn't inherit a stray accent bar (C1) */
.btn-outline-primary:not(#theme-toggle)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.19, 1, 0.22, 1);
    transform-origin: left;
}

.btn-outline-primary:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-sharp);
}

.btn-outline-primary:not(#theme-toggle):hover::after {
    transform: scaleX(1);
}
/* Sections General */
section {
    padding: 72px 0;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg-primary);
    scroll-margin-top: 80px;
    transition: background-color var(--transition-speed) var(--transition-ease);
}

.container-fluid {
    max-width: 1400px;
    padding-left: 2rem;
    padding-right: 2rem;
    margin: 0 auto;
}

/* Cards & Panels */
.glass-panel,
.project-item,
.service-card {
    background: rgba(var(--color-bg-primary-rgb), 0.88);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--color-border);
    padding: 1.5rem;
    transition: transform var(--transition-speed) var(--transition-ease),
                border-color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
    position: relative;
    display: flex;
    flex-direction: column;
    will-change: transform;
    transform: perspective(800px) translate(calc(var(--mx, 0px) * -1), calc(var(--my, 0px) * -1)) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
}

.glass-panel:hover,
.project-item:hover,
.service-card:hover {
    box-shadow: var(--shadow-sharp);
    border-color: var(--color-accent);
    transform: perspective(800px) translate(-4px, -4px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
}

.project-item a:focus-visible,
.service-link:focus-visible,
.footer-links a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

/* Hero Section */
#hero {
    min-height: 88vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 0 5%;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    background:
        radial-gradient(circle at 20% 30%, rgba(var(--color-accent-rgb), 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(var(--color-accent-rgb), 0.08) 0%, transparent 40%),
        var(--color-bg-primary);
}

#hero.reveal-section,
#hero.scrolly-section {
    --scroll-reveal: 1 !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
}

#hero.reveal-section > * {
    opacity: 1 !important;
    transform: none !important;
}

#threejs-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.5s ease;
}

#threejs-container.loaded {
    opacity: 0.8;
}

#threejs-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(to right, rgba(var(--color-bg-primary-rgb), 0.9) 0%, rgba(var(--color-bg-primary-rgb), 0.4) 50%, transparent 100%);
}

@media (min-width: 992px) {
    #threejs-container {
        left: 50%;
        width: 50%;
    }
    #threejs-overlay {
        background: linear-gradient(to right, rgba(var(--color-bg-primary-rgb), 1) 40%, rgba(var(--color-bg-primary-rgb), 0) 70%);
    }
}

.hero-content {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    position: relative;
    padding: 1.5rem 0;
    z-index: 10;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.hero-content h1 {
    border-left: 8px solid var(--color-accent);
    padding-left: 1.5rem;
}

.hero-content .lead {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    max-width: 800px;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.5;
    padding-left: 1.5rem;
    border-left: 1px solid var(--color-border);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-bottom: 3rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
    width: 100%;
    position: relative;
    flex-wrap: wrap;
}



.stat-item {
    display: flex;
    flex-direction: column;
    padding-left: 1rem;
    border-left: 1px solid var(--color-border);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    line-height: 1;
    letter-spacing: -0.05em;
    font-variant-numeric: tabular-nums;
    color: var(--color-text-primary);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-secondary);
    margin-top: 0.5rem;
}

/* Projects Section */
#projects {
    background-color: var(--color-bg-primary);
    background-image: radial-gradient(var(--color-border) 1px, transparent 1px);
    background-size: 40px 40px;
}

.tab-nav {
    display: inline-flex;
    gap: 0;
    margin-top: 1.5rem;
    margin-bottom: 0;
    border-bottom: 1px solid var(--color-border);
}

.tab-btn {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.85rem 1.75rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-bottom: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-ease);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    margin-right: -1px;
    z-index: 1;
}

.tab-btn:hover {
    color: var(--color-text-primary);
    background: rgba(var(--color-accent-rgb), 0.05);
}

.tab-btn.active {
    color: var(--color-button-text);
    background: var(--color-accent);
    border-color: var(--color-accent);
    z-index: 2;
    font-weight: 600;
}

.tab-panel {
    grid-area: 1 / 1;
    visibility: hidden;
    pointer-events: none;
}

/* inactive panels leave the grid flow so the stage reserves only the active
   panel's height (2-item Games no longer inherits the tallest tab's height) */
.tab-panel:not(.active) {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.tab-panel.active {
    visibility: visible;
    pointer-events: auto;
}

.tab-stage {
    position: relative;
    display: grid;
}

.tab-stage > * {
    grid-area: 1 / 1;
}

.tab-loader {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 4rem;
    gap: 0.75rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 5;
    transition: opacity var(--transition-speed) var(--transition-ease), visibility 0s linear var(--transition-speed);
}

.tab-loader.is-active {
    opacity: 1;
    visibility: visible;
    transition: opacity var(--transition-speed) var(--transition-ease);
}

.tab-loader__spinner {
    width: 30px;
    height: 30px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.tab-loader__label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-text-secondary);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.tab-panel.is-leaving .project-item {
    opacity: 0;
    transform: translateY(12px) scale(0.97);
    filter: blur(2px);
    transition: 200ms ease;
    transition-delay: calc(var(--rev, 0) * 40ms);
}

/* tags own compositing layers (backdrop-filter card + transition:all chips),
   so force them to fade with the card instead of lingering */
.tab-panel.is-leaving .project-item .tech-chip,
.tab-panel.is-leaving .project-item .year-tag,
.tab-panel.is-leaving .project-item .project-btn,
.tab-panel.is-leaving .project-item::after,
.tab-panel.is-pending .project-item .tech-chip,
.tab-panel.is-pending .project-item .year-tag,
.tab-panel.is-pending .project-item .project-btn,
.tab-panel.is-pending .project-item::after {
    opacity: 0;
    transition: opacity 200ms ease;
}

.tab-panel.is-pending .project-item {
    opacity: 0;
    transform: translateY(16px) scale(0.96);
    transition: none;
}

.tab-panel.is-entering .project-item {
    opacity: 0;
    transform: translateY(16px) scale(0.96);
    animation: card-in 350ms ease forwards;
    animation-delay: calc(var(--i, 0) * 55ms);
}

@keyframes card-in {
    to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

@media (prefers-reduced-motion: reduce) {
    .tab-loader,
    .btn-view,
    .tab-panel.is-leaving .project-item,
    .tab-panel.is-entering .project-item {
        transition: none !important;
        animation: none !important;
    }
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
    width: 100%;
    align-items: stretch;
}

.project-item {
    grid-column: span 2;
    position: relative;
    min-height: 100%;
    padding: 0;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03);
    transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.3, 1),
                box-shadow 0.35s, border-color 0.35s;
}

/* row 2 of the projects panel: two wider cards fill the width evenly */
#panel-projects .project-item:nth-child(4),
#panel-projects .project-item:nth-child(5) { grid-column: span 3; }
#panel-games .project-item { grid-column: span 2; }
#panel-libraries .project-item--cta { grid-column: span 4; }

.projects-grid .project-item:hover {
    transform: perspective(800px) translate(calc(var(--mx, 0px) * -1), calc(var(--my, 0px) * -1 - 6px)) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    border-color: rgba(var(--color-accent-rgb), 0.5);
    box-shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.65),
                0 0 0 1px rgba(var(--color-accent-rgb), 0.25);
}

.project-item::before {
    content: '';
    position: absolute;
    inset: 0 0 auto;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity 0.35s;
    z-index: 2;
}
.projects-grid .project-item:hover::before { opacity: 1; }

.project-item:focus-within {
    border-color: var(--color-accent);
    outline: 2px solid rgba(var(--color-accent-rgb), 0.35);
    outline-offset: 2px;
}

.project-body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    padding: 1.25rem 1.5rem 0;
}

.project-item h3 { margin-top: 0.25rem; }

.project-item p {
    line-height: 1.65;
    color: var(--color-text-secondary);
}

.project-body > p:not(.project-impact) {
    min-height: 4.9em;
}

.project-item::after {
    content: attr(data-tag);
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.5rem;
    border: 1px solid rgba(var(--color-accent-rgb), 0.35);
    border-radius: 999px;
    background: rgba(var(--color-accent-rgb), 0.1);
    color: var(--color-accent);
    z-index: 2;
}

.item-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
    color: var(--color-accent);
    font-weight: 700;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
    margin-bottom: 0;
}

.tech-chip {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 0.2rem 0.55rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    text-transform: uppercase;
    background: transparent;
    color: var(--color-text-secondary);
    font-variant-numeric: tabular-nums;
    transition: color var(--transition-speed) var(--transition-ease), background-color var(--transition-speed) var(--transition-ease), border-color var(--transition-speed) var(--transition-ease);
}

.project-item:hover .tech-chip {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.tech-chip:hover {
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
}

.project-footer {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-top: 1.25rem;
    padding: 1rem 1.5rem 1.25rem;
    border-top: 1px dashed var(--color-border);
}

.year-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    margin: 0;
    opacity: 0.85;
    font-variant-numeric: tabular-nums;
}

.project-actions { display: flex; gap: 0.6rem; margin-left: auto; }

.project-btn {
    padding: 0.55rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-align: center;
    text-decoration: none;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: 8px;
    transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.project-btn:hover { background: var(--color-accent); color: var(--color-bg-primary); }
.project-btn.secondary {
    border-color: var(--color-border-heavy);
    color: var(--color-text-secondary);
    background: rgba(255, 255, 255, 0.04);
}
.project-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    border-color: var(--color-text-secondary);
}
.harness-btn {
    padding: 0.1rem 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.25s, color 0.25s;
}
.harness-btn:hover { background: var(--color-accent); color: var(--color-bg-primary); }

/* Libraries "view all" CTA card */
.project-item--cta {
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.12), transparent 70%), var(--color-bg-secondary);
}
.project-item--cta .project-cta-inner { padding: 2rem; }
.project-item--cta h3 { margin: 0 0 0.5rem; }
.project-item--cta p { color: var(--color-text-secondary); margin-bottom: 1rem; }

/* Stagger index for the per-card cascade */
.projects-grid > *:nth-child(1) { --i: 0; }
.projects-grid > *:nth-child(2) { --i: 1; }
.projects-grid > *:nth-child(3) { --i: 2; }
.projects-grid > *:nth-child(4) { --i: 3; }
.projects-grid > *:nth-child(5) { --i: 4; }
.projects-grid > *:nth-child(6) { --i: 5; }
.projects-grid > *:nth-child(7) { --i: 6; }
.projects-grid > *:nth-child(8) { --i: 7; }

@media (max-width: 1100px) {
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid .project-item,
    #panel-projects .project-item:nth-child(4),
    #panel-projects .project-item:nth-child(5),
    #panel-games .project-item,
    #panel-libraries .project-item--cta { grid-column: auto; }
}
@media (max-width: 640px) {
    .projects-grid { grid-template-columns: 1fr; }
}

/* Capabilities Section (merged Skills + Services) */
#capabilities {
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, rgba(var(--color-accent-rgb), 0.06) 100%);
}

.section-divider {
    height: 1px;
    margin-top: 1.25rem;
    background: linear-gradient(90deg, var(--color-accent), rgba(var(--color-accent-rgb), 0.05));
}

.service-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 320px;
    box-shadow: 6px 6px 0px rgba(var(--color-accent-rgb), 0.25);
    justify-content: flex-start;
    border-top: 3px solid var(--color-accent);
    overflow: hidden;
    transition: transform var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
}

.service-card:hover {
    transform: perspective(800px) translate(-4px, -4px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    box-shadow: 10px 10px 0px rgba(var(--color-accent-rgb), 0.4);
}

.service-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(var(--color-accent-rgb), 0.08), transparent);
    transition: width var(--transition-speed) var(--transition-ease);
}

.service-card:hover::before {
    width: 100%;
}

.service-num {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.service-icon {
    width: 72px;
    height: 72px;
    color: var(--color-accent);
    background: rgba(var(--color-accent-rgb), 0.08);
    padding: 16px;
    margin-bottom: 1.25rem;
    transition: background var(--transition-speed) var(--transition-ease),
                color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card:hover .service-icon {
    background: var(--color-accent);
    color: var(--color-bg-primary);
    box-shadow: 0 0 24px rgba(var(--color-accent-rgb), 0.45);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.75rem;
}

.service-card p {
    line-height: 1.7;
    color: var(--color-text-secondary);
    flex-grow: 1;
}

.service-link {
    margin-top: 1.5rem;
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--color-text-primary);
    border: 1px solid var(--color-accent);
    padding: 0.6rem 1rem;
    transition: background var(--transition-speed) var(--transition-ease),
                color var(--transition-speed) var(--transition-ease);
}

.service-link:hover,
.service-link:focus-visible {
    background: var(--color-accent);
    color: var(--color-bg-primary);
}

.service-link:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.service-link span {
    display: inline-block;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.service-link:hover span,
.service-link:focus-visible span {
    transform: translateX(4px);
}

/* Staggered tile reveal */
#capabilities .bento-grid > [data-delay] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.55s cubic-bezier(0.2, 0.8, 0.2, 1),
                transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
}
#capabilities.is-visible .bento-grid > [data-delay="0"],
#capabilities.in-view .bento-grid > [data-delay="0"] { transition-delay: 0ms; }
#capabilities.is-visible .bento-grid > [data-delay="100"],
#capabilities.in-view .bento-grid > [data-delay="100"] { transition-delay: 100ms; }
#capabilities.is-visible .bento-grid > [data-delay="200"],
#capabilities.in-view .bento-grid > [data-delay="200"] { transition-delay: 200ms; }
#capabilities.is-visible .bento-grid > [data-delay="300"],
#capabilities.in-view .bento-grid > [data-delay="300"] { transition-delay: 300ms; }
#capabilities.is-visible .bento-grid > [data-delay],
#capabilities.in-view .bento-grid > [data-delay] {
    opacity: 1;
    transform: translateY(0);
}

/* About Section */
#about {
    background-color: var(--color-bg-primary);
    background-image: radial-gradient(circle at 10% 60%, rgba(var(--color-accent-rgb), 0.06) 0%, transparent 50%);
}

#about .container-fluid {
    max-width: 1140px;
    margin-inline: auto;
}

#about h2 {
    text-wrap: balance;
    margin-bottom: 0.25rem;
}

/* About Section — narrative + career timeline */
#about .about-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 3rem;
    margin-top: 2.5rem;
    align-items: start;
}

#about .about-narrative p {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--color-text-primary);
    text-wrap: pretty;
    margin-bottom: 1.25rem;
}

#about .about-narrative p:last-child {
    margin-bottom: 0;
}

#about .about-signature {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    border-top: 1px dashed var(--color-border);
    padding-top: 1rem;
    margin-top: 1.5rem;
}

.about-timeline {
    list-style: none;
    margin: 0;
    padding: 0 0 0 1.5rem;
    border-left: 2px solid var(--color-border);
}

.about-timeline > li {
    position: relative;
    padding-bottom: 1.75rem;
}

.about-timeline > li:last-child {
    padding-bottom: 0;
}

.about-timeline > li::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 0.45rem;
    width: 10px;
    height: 10px;
    transform: translateX(-50%);
    background: var(--color-bg-primary);
    border: 2px solid var(--color-accent);
}

.about-timeline .tl-period {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.35rem;
}

.about-timeline .tl-role {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
}

.about-timeline .tl-org {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.4rem;
}

.about-timeline .tl-note {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    text-wrap: pretty;
}



/* Contact Section */
#contact {
    background: var(--color-bg-primary);
    border-bottom: none;
}

/* Modern card shell — square brutalist corners (matches global reset) */
.contact-card {
    position: relative;
    overflow: hidden;
    margin-top: 2rem;
    padding: clamp(1.5rem, 4vw, 3rem);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-diffuse, 0 20px 50px rgba(0, 0, 0, 0.12));
}

.contact-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(var(--color-accent-rgb), 0.14), transparent 60%);
    pointer-events: none;
}

.contact-card > * {
    position: relative;
    z-index: 1;
}

.contact-card .status-badge,
.contact-card input,
.contact-card textarea {
    border-radius: 0 !important;
}


#contact .cta-button {
    background: var(--color-accent);
    color: var(--color-bg-primary) !important;
    border: 1px solid var(--color-accent);
    border-radius: 0 !important;
    padding: 1rem 2.25rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    box-shadow: 0 8px 24px rgba(var(--color-accent-rgb), 0.35);
    transition: transform var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease),
                background var(--transition-speed) var(--transition-ease);
}

#contact .cta-button:hover {
    background: var(--color-accent);
    color: var(--color-bg-primary) !important;
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(var(--color-accent-rgb), 0.45);
}

#contact .cta-button:disabled {
    opacity: 0.6;
    cursor: progress;
    transform: none;
    box-shadow: 0 4px 12px rgba(var(--color-accent-rgb), 0.2);
}


/* Footer */
footer {
    padding: 3rem 0;
    border-top: 2px solid var(--color-border) !important;
    background: var(--color-bg-primary);
}

.footer-links a {
    position: relative;
    text-decoration: none;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    transition: color var(--transition-speed) var(--transition-ease);
}

.footer-links a:hover {
    color: var(--color-text-primary);
}

.footer-credit-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.r3d3-credit {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    align-self: flex-start;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease);
}

.r3d3-credit strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.r3d3-credit-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent, #7A4A3B);
    box-shadow: 0 0 8px var(--color-accent, #7A4A3B);
}

.r3d3-credit-arrow {
    transition: transform var(--transition-speed) var(--transition-ease);
}

.r3d3-credit:hover {
    color: var(--color-text-primary);
}

.r3d3-credit:hover .r3d3-credit-arrow {
    transform: translate(2px, -2px);
}

.r3d3-highlight {
    animation: r3d3-glow 2s var(--transition-ease);
}

@keyframes r3d3-glow {
    0%, 100% { box-shadow: 0 0 0 0 transparent; border-color: var(--color-border); }
    15%, 85% { box-shadow: 0 0 0 3px var(--color-accent, #7A4A3B), 0 0 28px 4px var(--color-accent, #7A4A3B); border-color: var(--color-accent, #7A4A3B); }
}

/* Background Treatment Classes */
.bg-gradient-blob {
    position: relative;
    overflow: hidden;
}

.bg-gradient-blob::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle at 50% 50%, rgba(var(--color-accent-rgb), 0.05), transparent 70%);
    z-index: -1;
    animation: drift 20s infinite alternate ease-in-out;
}

@keyframes drift {
    from { transform: translate(-5%, -5%) scale(1); }
    to { transform: translate(5%, 5%) scale(1.1); }
}

.bg-aurora-diagonal {
    position: relative;
    overflow: hidden;
}

.bg-aurora-diagonal::after {
    content: '';
    position: absolute;
    inset: -10% -15%;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(120deg, rgba(var(--color-accent-rgb), 0.16) 0%, transparent 30%),
        radial-gradient(circle at top left, rgba(var(--color-accent-rgb), 0.08));
    will-change: transform;
    animation: aurora-drift 22s infinite alternate ease-in-out;
}

@keyframes aurora-drift {
    from { transform: translate3d(-4%, -2%, 0) scale(1); }
    to   { transform: translate3d(4%, 3%, 0) scale(1.08); }
}

/* Noise texture overlay for section pseudo-elements */
.bg-noise::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='128' height='128'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3C/svg%3E");
}

/* Ghosted section label numbers */
.section-label {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-family: var(--font-mono);
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 900;
    line-height: 1;
    color: rgba(var(--color-accent-rgb), 0.06);
    z-index: 0;
    pointer-events: none;
    user-select: none;
}

/* Stronger header hierarchy: eyebrow + heading left-border accent */
.section-header {
    position: relative;
    padding-left: 1rem;
    border-left: 4px solid var(--color-accent);
}

.section-header .eyebrow {
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}


/* Scrollytelling & Scroll Reveal Animations */
.reveal-section,
.scrolly-section,
.fadeInUp {
    --scroll-reveal: 0;
    opacity: var(--scroll-reveal);
    transform: translateY(calc(30px * (1 - var(--scroll-reveal))));
    transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1),
                transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Directional choreography via data-animation (A3) */
.reveal-section.anim-fade-left {
    transform: translateX(calc(-30px * (1 - var(--scroll-reveal))));
}
.reveal-section.anim-fade-scale {
    transform: translateY(calc(30px * (1 - var(--scroll-reveal)))) scale(0.96);
}
.reveal-section.anim-mask-reveal {
    transform: none;
    clip-path: inset(0 100% 0 0);
    transition: clip-path 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal-section.anim-mask-reveal.is-visible {
    clip-path: inset(0 0 0 0);
}

.reveal-section.is-visible,
.reveal-section.in-view,
.scrolly-section.is-visible,
.scrolly-section.in-view,
.fadeInUp.is-visible,
.fadeInUp.in-view {
    --scroll-reveal: 1 !important;
    opacity: 1 !important;
    transform: none !important;
}

.reveal-section > * {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1),
                transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-section.is-visible > *,
.reveal-section.in-view > * {
    opacity: 1;
    transform: translateY(0);
}

.reveal-section.is-visible > *:nth-child(1),
.reveal-section.in-view > *:nth-child(1) { transition-delay: 0ms; }
.reveal-section.is-visible > *:nth-child(2),
.reveal-section.in-view > *:nth-child(2) { transition-delay: 100ms; }
.reveal-section.is-visible > *:nth-child(3),
.reveal-section.in-view > *:nth-child(3) { transition-delay: 200ms; }
.reveal-section.is-visible > *:nth-child(4),
.reveal-section.in-view > *:nth-child(4) { transition-delay: 300ms; }
.reveal-section.is-visible > *:nth-child(5),
.reveal-section.in-view > *:nth-child(5) { transition-delay: 400ms; }

/* Per-card cascade inside grids (A2) */
.projects-grid > *,
.services-grid > *,
.about-grid > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.55s cubic-bezier(0.2, 0.8, 0.2, 1),
                transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
    transition-delay: calc(var(--i, 0) * 60ms + var(--stagger-delay, 0ms));
}
.is-visible .projects-grid > *,
.is-visible .services-grid > *,
.is-visible .about-grid > * {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .hero-content {
        padding: 1.25rem 0;
    }
    .hero-stats {
        gap: 2rem;
    }
    .bento-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    .bento-span-7 { grid-column: span 6; }
    .bento-span-5 { grid-column: span 3; }
    .bento-span-3 { grid-column: span 3; }
    .bento-row-2  { grid-row: span 1; }
    .bento-tile.skill-cat { padding: 1.25rem; }
    .bento-tile--hero .hero-principles { gap: 0.5rem; }
    .bento-tile--hero .hero-tools { margin-top: 1.25rem; }
    #about .about-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    section {
        padding: 44px 0;
    }
    .hero-content h1 {
        border-left-width: 6px;
        padding-left: 1rem;
    }
    .hero-content .lead {
        padding-left: 1rem;
        margin-bottom: 2rem;
    }
    .hero-stats {
        gap: 1.5rem;
    }
    .stat-value {
        font-size: 2rem;
    }
    .tab-nav {
        display: flex;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .tab-nav::-webkit-scrollbar { display: none; }
    .tab-btn {
        flex: 1 1 auto;
        padding: 0.75rem 0.5rem;
        font-size: 0.72rem;
        letter-spacing: 0.06em;
    }
    .projects-grid {
        grid-template-columns: 1fr;
    }
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .bento-span-7,
    .bento-span-5 { grid-column: span 2; }
    .bento-span-3 { grid-column: span 1; }
    .bento-row-2 { grid-row: span 1; }
    .service-card {
        min-height: 0;
        padding: 1.25rem;
    }
    .service-icon {
        width: 56px;
        height: 56px;
        padding: 12px;
        margin-bottom: 1rem;
    }
    .bento-tile--hero .service-icon {
        width: 64px;
        height: 64px;
    }
    .bento-tile--hero h3 { font-size: 1.35rem; }
    .bento-tile--hero p { font-size: 1rem; }
    .bento-tile.skill-cat { padding: 1.1rem; }
}

@media (max-width: 576px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .section-label {
        top: 1rem;
        right: 1rem;
        font-size: clamp(3rem, 22vw, 5rem);
    }
    .hero-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem 1rem;
    }
    .stat-item {
        padding-left: 0.75rem;
    }
    .bento-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .bento-span-3,
    .bento-span-5,
    .bento-span-7 { grid-column: span 1; }
    .service-link {
        align-self: stretch;
        justify-content: center;
    }
    .contact-channels {
        gap: 0.5rem;
    }
    .contact-pill {
        flex: 1 1 auto;
        justify-content: center;
    }
    #contact .cta-button {
        width: 100%;
    }
}

/* Reduced Motion Override */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-delay: 0s !important;
        animation-duration: 0s !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0s !important;
        scroll-behavior: auto !important;
    }
    .reveal-section,
    .scrolly-section,
    .fadeInUp,
    .reveal-section > *,
    .projects-grid > *,
    #capabilities .bento-grid > [data-delay] {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* Project thumbnails (visuals) */
.project-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    margin: 0;
    border-bottom: 1px solid var(--color-border);
    background:
        radial-gradient(120% 90% at 20% 0%, rgba(var(--color-accent-rgb), 0.28), transparent 60%),
        repeating-linear-gradient(0deg, transparent 0 22px, rgba(var(--color-text-primary-rgb), 0.04) 22px 23px),
        var(--color-bg-secondary);
    overflow: hidden;
}
.project-thumb::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(90deg, transparent 0 3px, rgba(var(--color-text-primary-rgb), 0.03) 3px 4px);
    pointer-events: none;
}
.project-thumb::after {
    content: attr(data-thumb);
    position: absolute;
    right: 0.75rem;
    bottom: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    opacity: 0.8;
}
.thumb-monogram {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: clamp(3rem, 8vw, 5rem);
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    opacity: 0.08;
    pointer-events: none;
}
.project-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    filter: saturate(0.9);
    transition: opacity 0.6s ease, filter 0.35s, transform 0.35s;
}
.project-thumb img.is-active { opacity: 1; }
.project-item:hover .project-thumb img { filter: saturate(1.1); transform: scale(1.03); }

/* Per-card impact metric line */
.project-impact {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    color: var(--color-accent);
    margin: auto 0 0;
}
.project-impact::before { content: '\25B8'; opacity: 0.7; }

/* Hero static fallback visual */
.hero-visual {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 38%;
    max-width: 520px;
    aspect-ratio: 1;
    z-index: 1;
    pointer-events: none;
    opacity: 0.55;
    background:
        radial-gradient(circle at 50% 50%, rgba(var(--color-accent-rgb), 0.18), transparent 65%),
        repeating-linear-gradient(45deg, transparent 0 38px, rgba(var(--color-text-primary-rgb), 0.05) 38px 39px);
    border: 1px solid var(--color-border);
}
.hero-visual::before {
    content: 'MARC DAVIS';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 900;
    font-size: clamp(1.5rem, 4vw, 3rem);
    letter-spacing: 0.4em;
    color: rgba(var(--color-text-primary-rgb), 0.08);
    writing-mode: vertical-rl;
}
@media (max-width: 992px) { .hero-visual { display: none; } }

/* Bento grid: merged Capabilities (services + tech stack) */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(150px, auto);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.bento-tile {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-width: 0;
}

/* Span modifiers */
.bento-span-3 { grid-column: span 3; }
.bento-span-5 { grid-column: span 5; }
.bento-span-7 { grid-column: span 7; }
.bento-row-2  { grid-row: span 2; }

/* Hero service tile: larger icon + display-scale heading */
.bento-tile--hero .service-icon {
    width: 88px;
    height: 88px;
}
.bento-tile--hero h3 {
    font-size: clamp(1.5rem, 2.4vw, 2.1rem);
    letter-spacing: -0.03em;
}
.bento-tile--hero p {
    font-size: 1.05rem;
    max-width: 46ch;
    flex-grow: 0;
}

/* Hero tile: core principles + pinned tool row */
.bento-tile--hero .hero-principles {
    list-style: none;
    margin: 1.25rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.6rem;
}
.bento-tile--hero .hero-principles li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
}
.bento-tile--hero .hero-principles li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 0.5rem;
    height: 0.5rem;
    background: var(--color-accent);
    transform: rotate(45deg);
}
.bento-tile--hero .hero-tools {
    margin-top: auto;
    padding-top: 1.25rem;
    border-top: 1px solid var(--color-border);
}
.bento-tile--hero .hero-tools-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

/* Skill tiles: keep the accent top-rule + sharp offset shadow */
.bento-tile.skill-cat {
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-accent);
    padding: 1.5rem;
    background: rgba(var(--color-bg-primary-rgb), 0.88);
    box-shadow: 4px 4px 0px var(--color-border);
    transition: transform var(--transition-speed) var(--transition-ease),
                border-color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
}
.bento-tile.skill-cat:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sharp);
    transform: translate(-4px, -4px);
}
.bento-tile.skill-cat h3 {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    color: var(--color-accent);
    font-family: var(--font-mono);
    text-transform: uppercase;
}
.bento-tile .skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

/* Contact form + status */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--color-accent);
    padding: 0.4rem 0.8rem;
    margin-bottom: 1.5rem;
    color: var(--color-accent);
}
.status-badge::before {
    content: '';
    width: 0.6rem;
    height: 0.6rem;
    background: #22c55e;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
    70% { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
    100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 0;
    max-width: 100%;
}
.contact-form label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    margin-bottom: -0.75rem;
}
.contact-form input,
.contact-form textarea {
    font-family: var(--font-heading);
    font-size: 1rem;
    padding: 0.9rem 1rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    width: 100%;
    border-radius: 0 !important;
    transition: border-color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.7;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.25);
}
.contact-form input:user-invalid,
.contact-form textarea:user-invalid {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}
.contact-form textarea { resize: vertical; min-height: 120px; }

/* Secondary contact channels */
.contact-channels {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
}
.contact-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: 0 !important;
    background: transparent;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: border-color var(--transition-speed) var(--transition-ease),
                color var(--transition-speed) var(--transition-ease),
                background var(--transition-speed) var(--transition-ease);
}
.contact-pill:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(var(--color-accent-rgb), 0.08);
}
.contact-note {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-text-secondary);
    margin-top: 1rem;
}

/* Form feedback */
.field-hint,
.form-privacy {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    margin: -0.75rem 0 0;
}
.field-error {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: #ef4444;
    margin: -0.75rem 0 0;
}
.form-status {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--color-accent);
    margin: 0;
    min-height: 1em;
}
.form-status.is-error { color: #ef4444; }

/* ============================================================
   MOBILE OVERRIDES — declared last so source order always wins
   ============================================================ */

/* Global guards */
@media (max-width: 768px) {
    .container-fluid { padding-left: 1.25rem; padding-right: 1.25rem; }
    section { padding: 40px 0; }
    h1 { font-size: clamp(2rem, 9vw, 3rem); }
    h2 { font-size: clamp(1.75rem, 8vw, 2.5rem); margin-bottom: 1.5rem; }
    .eyebrow { font-size: 0.75rem; letter-spacing: 0.15em; }
    .section-label { top: 0.75rem; right: 0.75rem; font-size: clamp(2.5rem, 16vw, 4rem); }
}

/* Hero */
@media (max-width: 768px) {
    #hero { min-height: auto; padding: 0 1.25rem; }
    .hero-content { min-height: auto; padding: 1rem 0; }
    .hero-content h1 { border-left-width: 5px; padding-left: 0.85rem; }
    .hero-content .lead { padding-left: 0.85rem; margin-bottom: 1.75rem; }
    .hero-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 1rem; margin-bottom: 2rem; }
    .stat-item { padding-left: 0.75rem; }
    .stat-value { font-size: 1.9rem; }
    .stat-label { font-size: 0.62rem; letter-spacing: 0.12em; }
    .hero-actions { width: 100%; }
    .hero-actions .cta-button { width: 100%; }
}

/* Projects */
@media (max-width: 768px) {
    .tab-nav { display: flex; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
    .tab-nav::-webkit-scrollbar { display: none; }
    .tab-btn { flex: 1 0 auto; padding: 0.7rem 0.9rem; font-size: 0.7rem; letter-spacing: 0.06em; }
    .projects-grid { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
    .project-item,
    #panel-projects .project-item:nth-child(4),
    #panel-projects .project-item:nth-child(5),
    #panel-games .project-item,
    #panel-libraries .project-item--cta { grid-column: span 1; }
    .project-body { padding: 1rem 1.1rem 0; }
    .project-body > p:not(.project-impact) { min-height: 0; }
    .project-thumb { aspect-ratio: 16 / 10; }
    .project-item::after { top: 0.5rem; right: 0.5rem; }
}

/* WHAT I DO — capabilities bento */
@media (max-width: 992px) {
    .bento-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
    .bento-span-7 { grid-column: span 6; }
    .bento-span-5 { grid-column: span 3; }
    .bento-span-3 { grid-column: span 3; }
    .bento-row-2 { grid-row: span 1; }
    .bento-tile.skill-cat { padding: 1.25rem; }
    .bento-tile--hero .hero-principles { gap: 0.5rem; }
    .bento-tile--hero .hero-tools { margin-top: 1.25rem; }
}
@media (max-width: 768px) {
    .bento-grid { grid-template-columns: minmax(0, 1fr); gap: 1rem; margin-top: 1.75rem; }
    .bento-span-7,
    .bento-span-5,
    .bento-span-3 { grid-column: span 1; }
    .bento-row-2 { grid-row: span 1; }
    .bento-tile { min-width: 0; }
    .bento-tile.skill-cat { padding: 1.1rem; }
    .service-card { min-height: 0; padding: 1.25rem; }
    .service-num { margin-bottom: 0.6rem; }
    .service-icon { width: 52px; height: 52px; padding: 11px; margin-bottom: 0.9rem; }
    .bento-tile--hero .service-icon { width: 60px; height: 60px; }
    .service-card h3 { font-size: 1.1rem; margin-bottom: 0.75rem; padding-bottom: 0.6rem; }
    .bento-tile--hero h3 { font-size: 1.3rem; }
    .bento-tile--hero p { font-size: 0.98rem; max-width: 100%; }
    .bento-tile--hero .hero-principles li { font-size: 0.9rem; padding-left: 1.25rem; }
    .bento-tile .skill-list { gap: 0.4rem; }
    .tech-chip { font-size: 0.62rem; padding: 0.18rem 0.45rem; max-width: 100%; overflow-wrap: anywhere; }
    .service-link { align-self: stretch; justify-content: center; margin-top: 1.25rem; }
}

/* About */
@media (max-width: 992px) {
    #about .about-layout { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
}
@media (max-width: 768px) {
    #about .about-layout { margin-top: 1.75rem; }
    .about-timeline { padding-left: 1.1rem; }
    .about-timeline > li::before { left: -1.1rem; }
    .about-timeline .tl-note { font-size: 0.9rem; }
}

/* Contact */
@media (max-width: 768px) {
    .contact-card { padding: 1.25rem; margin-top: 1.5rem; }
    .contact-card .section-label,
    #contact .section-label { font-size: clamp(2.5rem, 16vw, 4rem); opacity: 0.4; }
    .contact-channels { gap: 0.5rem; }
    .contact-channels li { flex: 1 1 100%; }
    .contact-pill { width: 100%; justify-content: center; }
    #contact .cta-button { width: 100%; padding: 1rem 1.25rem; }
    .contact-form { gap: 1rem; }
}

/* Footer */
@media (max-width: 768px) {
    footer .d-flex { flex-direction: column; align-items: flex-start !important; }
    .footer-links { gap: 1rem; }
    .r3d3-credit { align-self: stretch; }
}

/* Project image lightbox */
.project-thumb[data-has-img] { cursor: pointer; }
.project-thumb[data-has-img]:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(0.75rem, 3vw, 2.5rem);
    background: rgba(var(--color-bg-primary-rgb), 0.82);
    -webkit-backdrop-filter: blur(14px) saturate(1.2);
    backdrop-filter: blur(14px) saturate(1.2);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}
.lightbox.is-open { opacity: 1; visibility: visible; }

.lightbox-figure {
    position: relative;
    margin: 0;
    max-width: min(1100px, 100%);
    max-height: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transform: scale(0.94) translateY(8px);
    opacity: 0;
    transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.32s ease;
}
.lightbox.is-open .lightbox-figure { transform: none; opacity: 1; }

.lightbox-img {
    display: block;
    max-width: 100%;
    max-height: min(78vh, 78dvh);
    width: auto;
    height: auto;
    margin: 0 auto;
    object-fit: contain;
    border-radius: 14px;
    border: 1px solid var(--color-border-heavy);
    background: var(--color-bg-secondary);
    box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(var(--color-accent-rgb), 0.15);
}

.lightbox-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
}
.lightbox-caption .lightbox-tag { color: var(--color-accent); }
.lightbox-caption .lightbox-count { opacity: 0.7; }

.lightbox-close,
.lightbox-nav {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border-heavy);
    background: rgba(var(--color-bg-secondary-rgb), 0.85);
    color: var(--color-text-primary);
    cursor: pointer;
    border-radius: 999px;
    transition: background 0.2s, color 0.2s, transform 0.2s, border-color 0.2s;
    -webkit-tap-highlight-color: transparent;
}
.lightbox-close:hover,
.lightbox-nav:hover { background: var(--color-accent); color: var(--color-bg-primary); border-color: var(--color-accent); }

.lightbox-close {
    top: clamp(0.75rem, 3vw, 1.5rem);
    right: clamp(0.75rem, 3vw, 1.5rem);
    width: 44px;
    height: 44px;
    font-size: 1.4rem;
    line-height: 1;
    z-index: 2;
}
.lightbox-nav {
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    line-height: 1;
}
.lightbox-nav:hover { transform: translateY(-50%) scale(1.06); }
.lightbox-prev { left: clamp(0.5rem, 2vw, 1.25rem); }
.lightbox-next { right: clamp(0.5rem, 2vw, 1.25rem); }
.lightbox-nav[hidden] { display: none; }

body.lightbox-open { overflow: hidden; }

@media (max-width: 640px) {
    .lightbox { padding: 0.75rem; }
    .lightbox-img { max-height: 68vh; max-height: 68dvh; border-radius: 10px; }
    .lightbox-nav { width: 40px; height: 40px; font-size: 1.25rem; }
    .lightbox-close { width: 40px; height: 40px; }
    .lightbox-caption { font-size: 0.62rem; }
}

/* Hero actions — labeled primary CTA with a quiet secondary link */
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem 2rem;
}
.hero-cta {
    gap: 0.65rem;
    padding: 1rem 1.6rem;
    font-size: 0.8rem;
}
.hero-actions .hero-cta { width: auto; flex: 0 0 auto; }
.hero-cta .btn-arrow { transition: transform 0.2s ease; }
.hero-cta:hover .btn-arrow { transform: translateX(4px); }
.hero-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--color-border-heavy);
    transition: color 0.2s ease, border-color 0.2s ease;
}
.hero-link:hover { color: var(--color-accent); border-color: var(--color-accent); }
.hero-link:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 4px; }

/* Project tabs — visible keyboard focus and a stronger hover cue */
.tab-btn:hover { color: var(--color-text-primary); background: rgba(var(--color-accent-rgb), 0.1); }
.tab-btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; z-index: 3; }
.hero-link:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 4px; }

/* ============================================================
   POLISH PASS — final layer, refines each section without changing the theme
   ============================================================ */

/* Navigation: frosted bar, animated underline on links */
.navbar {
    background: rgba(var(--color-bg-primary-rgb), 0.82);
    -webkit-backdrop-filter: blur(16px) saturate(1.3);
    backdrop-filter: blur(16px) saturate(1.3);
}
.navbar-brand.logo { letter-spacing: 0.12em; }
.nav-link {
    position: relative;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.2rem;
    height: 1px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--transition-ease);
}
.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }
.nav-link:focus-visible,
.navbar-brand:focus-visible,
#theme-toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

/* Hero: eyebrow rule, divided stats, tabular figures */
.hero-content .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}
.hero-content .eyebrow::before {
    content: '';
    width: 2.25rem;
    height: 2px;
    background: var(--color-accent);
}
.hero-stats {
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
}
.stat-value { font-variant-numeric: tabular-nums; }
.hero-actions { margin-top: 0.5rem; }

/* Projects: segmented tabs with an active indicator, clearer card footers */
.tab-nav { border-bottom: 1px solid var(--color-border); }
.tab-btn { position: relative; }
.tab-btn.active { box-shadow: inset 0 -2px 0 var(--color-accent); }
.tab-btn:focus-visible,
.project-btn:focus-visible,
.contact-pill:focus-visible,
.service-link:focus-visible,
.cta-button:focus-visible,
.footer-links a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.project-footer { border-top: 1px solid var(--color-border); }
.project-btn { transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease; }
.tech-chip { letter-spacing: 0.04em; }

/* Capabilities: bento tiles respond to hover and keep accent consistent */
.bento-tile { transition: border-color 0.3s var(--transition-ease), transform 0.3s var(--transition-ease); }
.bento-tile:hover,
.service-card:hover { border-color: rgba(var(--color-accent-rgb), 0.45); }
.service-link { transition: color 0.2s ease, gap 0.2s ease; }
.service-link:hover { color: var(--color-accent); }

/* What I Do: layered, distinct cards */
#capabilities .bento-grid { gap: 1.75rem; }
#capabilities .service-card,
#capabilities .bento-tile.skill-cat {
    border: 1px solid rgba(var(--color-accent-rgb), 0.18);
    border-top: 3px solid var(--color-accent);
    background:
        radial-gradient(120% 80% at 100% 0%, rgba(var(--color-accent-rgb), 0.14), transparent 60%),
        linear-gradient(160deg, rgba(var(--color-bg-primary-rgb), 0.96), rgba(var(--color-bg-secondary-rgb), 0.9));
    box-shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
#capabilities .service-card:hover,
#capabilities .bento-tile.skill-cat:hover {
    transform: perspective(800px) translateY(-6px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    border-color: rgba(var(--color-accent-rgb), 0.55);
    box-shadow: 0 28px 50px -24px rgba(var(--color-accent-rgb), 0.45), 0 0 0 1px rgba(var(--color-accent-rgb), 0.2);
}
#capabilities .bento-tile--hero {
    background:
        radial-gradient(90% 70% at 0% 0%, rgba(var(--color-accent-rgb), 0.22), transparent 65%),
        linear-gradient(160deg, rgba(var(--color-bg-secondary-rgb), 0.95), rgba(var(--color-bg-primary-rgb), 0.96));
    border-top-width: 4px;
}
#capabilities .bento-tile--hero h3 { color: var(--color-accent); }
#capabilities .service-num {
    align-self: flex-start;
    padding: 0.25rem 0.65rem;
    border: 1px solid rgba(var(--color-accent-rgb), 0.35);
    color: var(--color-accent);
}
#capabilities .service-card:hover .service-icon { box-shadow: 0 0 32px rgba(var(--color-accent-rgb), 0.55); }
#capabilities .bento-tile.skill-cat h3 {
    padding-bottom: 0.6rem;
    border-bottom: 1px dashed rgba(var(--color-accent-rgb), 0.3);
}

/* About: signature line reads as a footnote */
.about-signature {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

/* Contact: clear focus states on form fields */
.contact-form input,
.contact-form textarea { transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.18);
}

/* Footer: quiet, aligned link row */
footer { color: var(--color-text-secondary); }
.footer-links a {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}
.footer-links a:hover { color: var(--color-accent); }

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}

/* Polish layer: consistent focus, selection and hover states */
::selection {
    background: rgba(var(--color-accent-rgb), 0.25);
    color: var(--color-text-primary);
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

a {
    text-underline-offset: 0.2em;
}

.tab-btn {
    letter-spacing: 0.02em;
    transition: color var(--transition-speed) var(--transition-ease),
                background-color var(--transition-speed) var(--transition-ease);
}

.tab-btn:hover {
    color: var(--color-accent);
}

.bento-grid > * {
    transition: translate 0.3s var(--transition-ease),
                box-shadow 0.3s var(--transition-ease),
                border-color 0.3s var(--transition-ease);
}

.bento-grid > *:hover {
    translate: 0 -3px;
    box-shadow: var(--shadow-diffuse);
    border-color: var(--color-border-heavy);
}

@media (prefers-reduced-motion: reduce) {
    .bento-grid > *:hover { translate: none; }
}

/* ============================================================
   V3 — refined surface system
   ============================================================ */
:root {
    --r-xs: 6px;
    --r-sm: 10px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-xl: 28px;
    --r-pill: 999px;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
    --dur: 0.45s;
    --hairline: 1px solid var(--color-border);
    --surface: rgba(var(--color-bg-primary-rgb), 0.72);
    --surface-strong: rgba(var(--color-bg-primary-rgb), 0.94);
    --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.04), 0 10px 26px -14px rgba(0, 0, 0, 0.2);
    --shadow-2: 0 2px 6px rgba(0, 0, 0, 0.05), 0 22px 48px -22px rgba(0, 0, 0, 0.3);
    --shadow-3: 0 34px 80px -34px rgba(0, 0, 0, 0.45);
    --grid-line: rgba(var(--color-text-primary-rgb), 0.055);
}

[data-theme="dark"], [data-bs-theme="dark"] {
    --surface: rgba(18, 20, 23, 0.66);
    --surface-strong: rgba(18, 20, 23, 0.92);
    --grid-line: rgba(255, 255, 255, 0.06);
    --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4), 0 10px 26px -14px rgba(0, 0, 0, 0.6);
    --shadow-2: 0 2px 6px rgba(0, 0, 0, 0.45), 0 22px 48px -22px rgba(0, 0, 0, 0.7);
    --shadow-3: 0 34px 80px -34px rgba(0, 0, 0, 0.8);
}

[data-theme="midnight"], [data-bs-theme="midnight"] {
    --surface: rgba(11, 16, 32, 0.66);
    --surface-strong: rgba(11, 16, 32, 0.92);
    --grid-line: rgba(139, 157, 255, 0.09);
}

body {
    background-image:
        radial-gradient(1100px 560px at 10% -12%, rgba(var(--color-accent-rgb), 0.07), transparent 62%),
        radial-gradient(900px 520px at 100% 0%, rgba(var(--color-accent-rgb), 0.05), transparent 58%);
    background-attachment: fixed;
}

/* --- Section shell + layered backgrounds --- */
section {
    padding: clamp(4.5rem, 8vw, 7.5rem) 0;
    border-bottom: 0;
    background-color: transparent;
}

.sec { isolation: isolate; }

.sec::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border) 16%, var(--color-border) 84%, transparent);
    pointer-events: none;
}

.sec-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.sec-bg > span {
    position: absolute;
    inset: 0;
    display: block;
}

.sec-bg-grid {
    background-image:
        linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
    background-size: 72px 72px;
    -webkit-mask-image: radial-gradient(120% 92% at 50% 0%, #000 0%, transparent 76%);
    mask-image: radial-gradient(120% 92% at 50% 0%, #000 0%, transparent 76%);
}

.sec-bg-glow {
    background: radial-gradient(58% 55% at 78% 6%, rgba(var(--color-accent-rgb), 0.16), transparent 70%);
    filter: blur(6px);
    animation: sec-drift 24s var(--ease-soft) infinite alternate;
}

.sec-bg-grain {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
    opacity: 0.035;
    mix-blend-mode: multiply;
}

[data-theme="dark"] .sec-bg-grain,
[data-theme="midnight"] .sec-bg-grain { mix-blend-mode: screen; opacity: 0.05; }

.sec-hero .sec-bg-grid { background-size: 96px 96px; }
.sec-hero .sec-bg-glow {
    background:
        radial-gradient(52% 58% at 74% 16%, rgba(var(--color-accent-rgb), 0.22), transparent 68%),
        radial-gradient(42% 42% at 8% 92%, rgba(var(--color-accent-rgb), 0.1), transparent 72%);
}
.sec-work .sec-bg-glow { background: radial-gradient(50% 50% at 12% 0%, rgba(var(--color-accent-rgb), 0.12), transparent 70%); }
.sec-cap .sec-bg-glow { background: radial-gradient(46% 56% at 88% 28%, rgba(var(--color-accent-rgb), 0.13), transparent 70%); }
.sec-about .sec-bg-glow { background: radial-gradient(56% 60% at 22% 18%, rgba(var(--color-accent-rgb), 0.14), transparent 70%); }
.sec-contact .sec-bg-glow { background: radial-gradient(72% 72% at 50% 112%, rgba(var(--color-accent-rgb), 0.18), transparent 70%); }

section.bg-aurora-diagonal,
section.bg-noise,
section.bg-gradient-blob { background-image: none; }

.sec > .container-fluid,
.sec > .hero-content { position: relative; z-index: 1; }

.section-label {
    position: absolute;
    top: clamp(1.25rem, 3vw, 2.25rem);
    right: clamp(1.25rem, 3vw, 2.25rem);
    z-index: 1;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.3em;
    color: var(--color-text-secondary);
    opacity: 0.5;
}

/* --- Typography --- */
h1 {
    font-weight: 600;
    font-size: clamp(2.1rem, 5.4vw, 4.2rem);
    line-height: 1.02;
    letter-spacing: -0.035em;
    margin-bottom: 1.5rem;
}

h2 {
    font-weight: 600;
    font-size: clamp(1.9rem, 4.4vw, 3rem);
    line-height: 1.05;
    letter-spacing: -0.025em;
    text-transform: capitalize;
    border-bottom: 0;
    padding-bottom: 0;
    margin-bottom: 1.25rem;
}

h2::after {
    content: '';
    display: block;
    width: 44px;
    height: 2px;
    margin-top: 1rem;
    border-radius: 2px;
    background: var(--color-accent);
}

h3 {
    font-weight: 600;
    text-transform: capitalize;
    letter-spacing: -0.015em;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    color: var(--color-accent);
    margin-bottom: 0.9rem;
}

.eyebrow::before {
    content: '';
    width: 18px;
    height: 1px;
    background: currentColor;
    opacity: 0.6;
}

.hero-content { max-width: 62rem; }
.hero-content .lead {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--color-text-secondary);
    max-width: 48ch;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin: 2.5rem 0;
    border-top: var(--hairline);
    border-bottom: var(--hairline);
}

.stat-item {
    padding: 1.15rem 1.25rem;
    border-left: 0;
    border-right: var(--hairline);
}

.stat-item:first-child { padding-left: 1.5rem; }

.stat-item:last-child { border-right: 0; }

.stat-value {
    display: block;
    font-size: clamp(1.5rem, 2.8vw, 2.1rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.16em;
    color: var(--color-text-secondary);
}

@media (max-width: 767px) {
    .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stat-item:nth-child(2n) { border-right: 0; }
    .stat-item:nth-child(-n + 2) { border-bottom: var(--hairline); }
}

@keyframes sec-drift {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(-2.5%, 2%, 0) scale(1.08); }
}

/* --- V3 components --- */
#scroll-progress {
    height: 2px;
    background: linear-gradient(90deg, rgba(var(--color-accent-rgb), 0.55), var(--color-accent));
}

.navbar {
    padding: 0.9rem 0;
    background: rgba(var(--color-bg-primary-rgb), 0.72);
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    border-bottom: var(--hairline);
}

.navbar-scrolled {
    padding: 0.6rem 0;
    background: var(--surface-strong);
    box-shadow: 0 1px 0 var(--color-border), 0 16px 34px -28px rgba(0, 0, 0, 0.5);
}

.logo { font-weight: 650; font-size: 1.05rem; letter-spacing: 0.12em; gap: 0.6rem; }

.logo-mark {
    width: 28px;
    height: 28px;
    border-radius: var(--r-sm);
    font-size: 0.9rem;
    font-weight: 650;
    box-shadow: 0 8px 20px -10px rgba(var(--color-accent-rgb), 0.9);
}

.nav-link {
    font-size: 0.74rem;
    letter-spacing: 0.14em;
    padding: 0.5rem 0.85rem !important;
    color: var(--color-text-secondary) !important;
    transition: color var(--dur) var(--ease-out);
}

.nav-link::after { left: 0.85rem; right: 0.85rem; height: 1px; }
.nav-link:hover,
.nav-link.active { color: var(--color-text-primary) !important; }

#theme-toggle {
    border-radius: var(--r-pill);
    padding: 0.4rem 0.95rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    border-color: var(--color-border);
}

#theme-toggle:hover { transform: translateY(-1px); box-shadow: var(--shadow-1); }

/* --- Hero actions --- */
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; }

.cta-button,
.btn-view {
    position: relative;
    overflow: hidden;
    border-radius: var(--r-pill);
    padding: 0.8rem 1.65rem;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    box-shadow: var(--shadow-1);
    transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out),
                background-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}

.cta-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, transparent 32%, rgba(255, 255, 255, 0.35) 50%, transparent 68%);
    transform: translateX(-140%);
    transition: transform 0.85s var(--ease-out);
    pointer-events: none;
}

.cta-button:hover::before { transform: translateX(140%); }

.cta-button:hover,
.btn-view:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-2);
}

.btn-arrow { transition: transform var(--dur) var(--ease-out); }
.hero-cta:hover .btn-arrow { transform: translateX(4px); }

.hero-link {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--color-text-secondary);
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
    transition: color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.hero-link:hover { color: var(--color-text-primary); border-color: var(--color-accent); }

/* --- Tabs --- */
.tab-nav {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.3rem;
    margin-bottom: 2rem;
    border: var(--hairline);
    border-radius: var(--r-pill);
    background: var(--surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.tab-btn {
    border: 0;
    border-radius: var(--r-pill);
    padding: 0.5rem 1.1rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    transition: color 0.3s var(--ease-out), background-color 0.3s var(--ease-out),
                box-shadow 0.3s var(--ease-out);
}

.tab-btn:hover { color: var(--color-text-primary); }

.tab-btn.active {
    color: var(--color-text-primary);
    background: rgba(var(--color-accent-rgb), 0.12);
    box-shadow: inset 0 0 0 1px rgba(var(--color-accent-rgb), 0.28);
}

/* --- Cards --- */
.project-item,
.service-card,
.glass-panel {
    border-radius: var(--r-lg);
    border: var(--hairline);
    background: var(--surface);
    padding: 1.35rem;
    box-shadow: var(--shadow-1);
    transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out),
                border-color var(--dur) var(--ease-out);
}

.project-item:hover,
.service-card:hover,
.glass-panel:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2), inset 0 1px 0 rgba(var(--color-accent-rgb), 0.45);
    border-color: rgba(var(--color-accent-rgb), 0.32);
}

.project-thumb {
    position: relative;
    overflow: hidden;
    border-radius: var(--r-md);
    margin-bottom: 1.1rem;
    background: var(--color-bg-secondary);
}

.thumb-img { transition: transform 0.75s var(--ease-out), opacity 0.5s var(--ease-out); }
.thumb-monogram { letter-spacing: 0.12em; opacity: 0.35; }
.project-item:hover .thumb-img { transform: scale(1.045); }

.item-number {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.2em;
    color: var(--color-accent);
}

.project-item h3 { margin: 0.35rem 0 0.75rem; }
.project-body p { font-size: 0.94rem; color: var(--color-text-secondary); }

.project-impact {
    border-left: 2px solid rgba(var(--color-accent-rgb), 0.5);
    padding-left: 0.75rem;
    font-size: 0.84rem !important;
}

.tech-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; }

.tech-chip {
    border-radius: var(--r-pill);
    padding: 0.22rem 0.6rem;
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    border: var(--hairline);
    background: rgba(var(--color-text-primary-rgb), 0.04);
    color: var(--color-text-secondary);
    transition: border-color 0.3s var(--ease-out), color 0.3s var(--ease-out),
                background-color 0.3s var(--ease-out);
}

.project-item:hover .tech-chip { border-color: rgba(var(--color-accent-rgb), 0.3); }

.year-tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    color: var(--color-text-secondary);
}

.project-footer { border-top: var(--hairline); padding-top: 0.9rem; margin-top: auto; }

.project-btn {
    border-radius: var(--r-pill);
    padding: 0.38rem 0.95rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: var(--hairline);
    background: transparent;
    color: var(--color-text-primary);
    transition: background-color 0.3s var(--ease-out), color 0.3s var(--ease-out),
                border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.project-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg-primary);
    transform: translateY(-1px);
}

.project-btn.secondary { color: var(--color-text-secondary); }
.project-btn.secondary:hover { color: var(--color-bg-primary); }

.harness-btn {
    border: 0;
    padding: 0;
    background: none;
    font: inherit;
    color: var(--color-accent);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    cursor: pointer;
}

.bento-grid > * {
    border-radius: var(--r-lg);
    border: var(--hairline);
    background: var(--surface);
    box-shadow: var(--shadow-1);
}

/* --- Contact --- */
.contact-card {
    border-radius: var(--r-xl);
    background:
        linear-gradient(165deg, rgba(var(--color-accent-rgb), 0.08), transparent 55%),
        var(--surface);
    border: var(--hairline);
    box-shadow: var(--shadow-2);
}

.contact-card::before { background: radial-gradient(circle at 82% 0%, rgba(var(--color-accent-rgb), 0.1), transparent 55%); }

.contact-form input,
.contact-form textarea { border-radius: var(--r-sm) !important; background: var(--surface-strong); }

.contact-form input:focus,
.contact-form textarea:focus { box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.18); }

#contact .cta-button { border-radius: var(--r-pill) !important; letter-spacing: 0.06em; }

.contact-pill { border-radius: var(--r-pill) !important; }

.status-badge,
.contact-card .status-badge { border-radius: var(--r-pill) !important; }

footer { border-top: var(--hairline) !important; padding: 2.5rem 0; }

.lightbox img,
.lightbox video,
.lightbox iframe { border-radius: var(--r-md); }
.lightbox-close { border-radius: var(--r-pill); }

/* --- Motion --- */
@keyframes card-in {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: none; }
}

.tab-panel.active .project-item { animation: card-in 0.55s var(--ease-out) both; }
.tab-panel.active .project-item:nth-child(2) { animation-delay: 0.05s; }
.tab-panel.active .project-item:nth-child(3) { animation-delay: 0.1s; }
.tab-panel.active .project-item:nth-child(4) { animation-delay: 0.15s; }
.tab-panel.active .project-item:nth-child(5) { animation-delay: 0.2s; }
.tab-panel.active .project-item:nth-child(n + 6) { animation-delay: 0.25s; }

@media (prefers-reduced-motion: reduce) {
    .sec-bg-glow { animation: none; }
    .tab-panel.active .project-item { animation: none; }
    .project-item:hover,
    .service-card:hover,
    .glass-panel:hover,
    .cta-button:hover,
    .btn-view:hover { transform: none; }
}

/* --- Hero legibility: text reads above a soft scrim over the canvas --- */
.sec > .hero-content { z-index: 3; }

.sec-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(100deg,
        rgba(var(--color-bg-primary-rgb), 0.95) 0%,
        rgba(var(--color-bg-primary-rgb), 0.88) 34%,
        rgba(var(--color-bg-primary-rgb), 0.42) 58%,
        transparent 80%);
}

#threejs-container {
    -webkit-mask-image: linear-gradient(100deg, transparent 0%, rgba(0, 0, 0, 0.3) 30%, #000 64%);
    mask-image: linear-gradient(100deg, transparent 0%, rgba(0, 0, 0, 0.3) 30%, #000 64%);
}

@media (max-width: 991px) {
    .sec-hero::before {
        background: linear-gradient(180deg,
            rgba(var(--color-bg-primary-rgb), 0.9) 0%,
            rgba(var(--color-bg-primary-rgb), 0.78) 60%,
            rgba(var(--color-bg-primary-rgb), 0.6) 100%);
    }
    #threejs-container { opacity: 0.55; mask-image: none; -webkit-mask-image: none; }
}